PetscViewer Object: 1 MPI process
  type: exodusii
  Filename:    FourSquareT-large_out.exo
  exoid:       65536
  IO Mode:     1
  Mesh order:  1
  Number of nodal variables:  -1
  Number of zonal variables:  -1
Number of zonal variables: 3
Number of nodal variables: 4
PetscViewer Object: 1 MPI process
  type: exodusii
  Filename:    FourSquareT-large_out.exo
  exoid:       65536
  IO Mode:     1
  Mesh order:  1
  Number of nodal variables:  4
     0: (null)
     1: (null)
     2: (null)
     3: (null)
  Number of zonal variables:  3
     0: (null)
     1: (null)
     2: (null)
Testing PetscViewerExodusIISet[Nodal/Zonal]VariableName
PetscViewer Object: 1 MPI process
  type: exodusii
  Filename:    FourSquareT-large_out.exo
  exoid:       65536
  IO Mode:     1
  Mesh order:  1
  Number of nodal variables:  4
     0: U_x
     1: U_y
     2: Alpha
     3: Beta
  Number of zonal variables:  3
     0: Sigma_11
     1: Sigma_12
     2: Sigma_22


Reopenning the output file in Read-only mode
Testing PetscViewerExodusIIGet[Nodal/Zonal]VariableName
   Nodal variable 0: U_x, index in file 0
   Nodal variable 1: U_y, index in file 1
   Nodal variable 2: Alpha, index in file 2
   Nodal variable 3: Beta, index in file 3
   Nodal variable 0: U, index in file 0
   Nodal variable 1: Sigma, index in file -1
   Nodal variable 2: Gamma, index in file -1

   Zonal variable 0: Sigma_11, index in file 0
   Zonal variable 1: Sigma_12, index in file 1
   Zonal variable 2: Sigma_22, index in file 2
   Zonal variable 0: U, index in file -1
   Zonal variable 1: Sigma, index in file 0
   Zonal variable 2: Gamma, index in file -1